This is the Exhaust Header (Manifold) for the OS 21RG-M and 21RG-MX Engines.
This routes the exhaust from the crankcase to the muffler.
FEATURES: Aluminum construction
Unique bolt-on round port design
180 degree U-bend
INCLUDES: One Exhaust Manifold
Two Hex Mounting Screws
REQUIRES: OS 21RG-M or MX engine.
SPECS: Width of outside of U-bend: 57mm (2.24")
Width of inside of U-bend: 25mm (0.99")
Manifold pipe diameter: 16mm (0.63")
C.D. between mounting holes: 24.5mm (0.97")
COMMENTS: This manifold is designed specifically for the 21RG-M and 21RG-MX.
cmc 01/08/02
ir/kh
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